I've ordered a Forster single stage press that will be used exclusively for the creedmoor and Grendel. I am shooting only Hornady through it until I get a hefty supply of brass (I've got a ton of once fired creedmoor) and then I'll work up the right loads for both. Until then, I'll be learning the reloading process on Federal brass then, when I'm comfortable, go at load development in earnest.
I don't reload and probably have 75pc of Hornady brass....